.layui-container{}

.top { height: 150px; }
h1 { font-size: 30px; line-height: 50px; font-weight: bold; }

.mid {width: 100%; height: 900px; }

.mid_left{background-color: cornsilk;height: 900px;}
.mid_right{background-color: darkgray; height: 900px;}



#tb_manager td{text-align: center;}
#tb_manager th{text-align: center;}

.man_btn{width:100px; border:1px solid red;  }